Change H2 to boldface type

Author: MikeDodaro

articles/spring-cloud/spring-cloud-concept-security-controls.md

@@ -13,7 +13,7 @@ Security controls are built-in into Azure Spring Cloud Service.
 
 A security control is a quality or feature of an Azure service that contributes to the service's ability to prevent, detect, and respond to security vulnerabilities.  For each control, we use *Yes* or *No* to indicate whether it is currently in place for the service.  We use *N/A* for a control that is not applicable to the service. 
 
-## Data protection security controls
+**Data protection security controls**
 
 | Security control | Yes/No | Notes | Documentation |
 |:-----------:|:--------:|:-------------------------------:|:-------------------:|